Arid
DOI10.1016/j.agwat.2023.108178
Changes in soil bacterial and fungal community characteristics in response to long-term mulched drip irrigation in oasis agroecosystems
Wang, Jingya; Li, Haiqiang; Cheng, Zhibo; Yin, Fating; Yang, Lei; Wang, Zhenhua
通讯作者Wang, ZH
来源期刊AGRICULTURAL WATER MANAGEMENT
ISSN0378-3774
EISSN1873-2283
出版年2023
卷号279
英文摘要Soil microorganisms are key drivers of soil nutrient cycling and agroecosystem sustainability. Despite their critical roles in soil evolution processes, the variation of soil microbial communities in cotton fields with different years of practicing mulched drip irrigation remains poorly understood. The objectives of this study were to investigate the effects of different years of mulched drip irrigation (i.e., CK, 11, 13, 15, and 21 years) on soil microbial communities and soil properties in cotton fields in an oasis by using high-throughput sequencing of the microbial 16 S/ITS gene. The results showed that soil EC decreased significantly after mulched drip irrigation and the lowest value occurred in 21-year treatment, decreased by 74.43%. Soil organic carbon, available nitrogen, available phosphorus and available potassium increased significantly with the length of years under mulched drip irrigation. The abundance of dominated bacterial phyla (Actinobacteria, Bacteroidetes, and Rokubacteria) significantly varied among different years of mulched drip irrigation, and no significant change was found in soil fungal community at the phyla level. The abundance of dominated fungal genera Cephalotrichum (21.82-68.96%) decreased significantly with irrigation years extension. Non-metric multidimensional scale analyses (NMDS) showed that soil bacterial and fungal communities significantly differed among different treatments (P = 0.001). The more positive co-occurrence relationships of bacteria to fungi, and the highest Shannon and lowest Simpson values were observed in the 13-year mulched drip irrigation. The abundance of bacteria and fungi was significantly correlated with soil EC, total nitrogen, total potassium, and soil organic carbon. Our results indicated that long-term mulched drip irrigation affected the structures and interactions of microbial communities in cotton fields by reducing soil salinity and regulating the soil nutrient concentrations, and 13-year mulched drip irrigation was capable of enhancing soil microbial diversity in this region.
英文关键词Agroecosystem Soil microorganism Drip irrigation Cotton production High-throughput sequencing
类型Article
语种英语
开放获取类型hybrid
收录类别SCI-E
WOS记录号WOS:000924383600001
WOS关键词MICROBIAL COMMUNITY ; ORGANIC-MATTER ; COTTON FIELD ; DIVERSITY ; CARBON ; MANAGEMENT ; FARMLAND ; NITROGEN ; SYSTEM ; FLUXES
WOS类目Agronomy ; Water Resources
WOS研究方向Agriculture ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/395045
推荐引用方式
GB/T 7714
Wang, Jingya,Li, Haiqiang,Cheng, Zhibo,et al. Changes in soil bacterial and fungal community characteristics in response to long-term mulched drip irrigation in oasis agroecosystems[J],2023,279.
APA Wang, Jingya,Li, Haiqiang,Cheng, Zhibo,Yin, Fating,Yang, Lei,&Wang, Zhenhua.(2023).Changes in soil bacterial and fungal community characteristics in response to long-term mulched drip irrigation in oasis agroecosystems.AGRICULTURAL WATER MANAGEMENT,279.
MLA Wang, Jingya,et al."Changes in soil bacterial and fungal community characteristics in response to long-term mulched drip irrigation in oasis agroecosystems".AGRICULTURAL WATER MANAGEMENT 279(2023).
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